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Provisional diagnosis and triage text-based syndromes used for statistical reporting and for training the automatic triage text classification system, with correlation between daily counts from the two categorisation methods and the sensitivity of the automatic text classifier in assigning a category that matched the provisional diagnosis category.* |
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| Syndrome |
ICD-9-CM codes used for the diagnosis-based syndromes and text classifier training |
Correlation between daily counts of text and diagnosis-based categories |
Sensitivity of the text- based category for matching the provisional diagnosis category |
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|
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| Selected symptoms |
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| Abdominal pain |
789.0 |
0.63 |
0.94 |
| Chest pain |
786.5 |
0.72 |
0.92 |
| Convulsions (not clearly epilepsy) |
779.0, 780.3 |
not classified |
not classified |
| Fever (cause unspecified) |
780.6 |
0.54 |
0.62 |
| Collapse/syncope/coma /delirium/ dizziness |
078.81, 780.0, 780.2, 780.4, 992.1 |
0.64 |
0.77 |
| Neuromuscular/vision problems |
360.8, 368–369, 781–781.99, 782.0 |
0.57 |
0.68 |
| Gastrointestinal syndromes |
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| Selected gastrointestinal |
001–009, 078.82, 536.2, 558, 564.5, 578.0, 787.0, 787.91 |
not classified |
not classified |
| Diarrhoea and intestinal infections |
001–009, 558, 564.5, 787.91 |
0.52 |
0.74 |
| Vomiting |
078.82, 536.2, 578.0, 787.0 |
0.48 |
0.77 |
| Cardiovascular syndromes |
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| All cardiovascular |
390–459, V12.5 |
not classified |
not classified |
| Cardiac arrest |
427.5 |
not classified |
not classified |
| Cardiac dysrhythmias |
427 (excluding 427.5) |
not classified |
not classified |
| Respiratory syndromes |
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| All respiratory |
033, 460–519, 768–770 |
0.77 |
0.74 |
| Asthma |
493 |
0.75 |
0.81 |
| Influenza |
487 |
0.09 |
0.22 |
| Pneumonia |
480–486 |
0.38 |
0.83 |
| Pertussis |
033 |
0.23 |
0.31 |
| Other/unspecified respiratory infections |
460–466 (excluding 466.1), 519.8 |
0.75 |
0.79 |
| Respiratory failure/distress |
518.5, 518.81–518.82, 519.9, 769 |
-0.01 |
0.25 |
| Injury syndromes |
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| All injury and poisoning |
800–964.9, 965.09–968.4, 968.6–969.5, 969.8–979, 981–989.4, 989.6–989.9, 990–999 (excluding 992.1) |
0.91 |
0.94 |
| Head injury |
800–804, 850–854 |
0.58 |
0.59 |
| Burns |
940–949 |
0.78 |
0.81 |
| Bite or sting (insect/spider/snake) |
(910–919).4, (910–919).5, 989.5, E906.2 |
0.45 |
0.74 |
| Open wounds |
870–897 |
0.89 |
0.75 |
| Poisoning (not illicit drug or alcohol) |
960–964.9, 965.09–968.4, 968.6–969.5, 969.8–979, 981–989.4, 989.6–989.9 |
not classified |
not classified |
| Other syndromes |
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| Illicit drug-related (including amphetamines) |
292, 304, 305.2–305.9, 965.00–965.02, 968.5, 969.6, 969.7 |
0.44 |
0.62 |
| Alcohol-related provisional diagnosis |
291, 303, 305.0, 790.3, 980, V70.4 |
0.78 |
0.87 |
| Meningococcal infection |
036, 320.5 |
not classified |
not classified |
| Other or unspecified meningitis |
047, 320–320.4, 320.6–322 |
not classified |
not classified |
| Skin problems |
035, 050–057, 373, 680–709, 782, 782.1–782.9 |
0.71 |
0.85 |
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*Based on all available ED data collected between 1st September 2003 and 29th February 2005. 'Not classified' means that the syndrome categories were not included in the initial implementation of the automated syndrome classification procedure. | |||
Muscatello et al. BMC Public Health 2005 5:141 doi:10.1186/1471-2458-5-141 |
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